TURN ON WI-FI: From the clock screen, press the Power/Home button. Note: To optimize battery life, turn Wi-Fi off when not in use.
Rotate the bezel to and select the Settings app.
Scroll to and select Connections.
Scroll to and select Wi-Fi.
Select Wi-Fi again.
Select the desired option to turn on or off. Note: Gear S3 will use your phone's data connection when paired via Bluetooth. When Wi-Fi is on, Gear S3 will automatically connect to saved WiFi networks if its Bluetooth connection is lost.
Select OK.
SCAN FOR WI-FI DEVICES: Scroll to and select Wi-Fi networks. Note: Select Add Wi-Fi network to connect to a hidden or unbroadcasted Wi-Fi network. You will need to enter the network SSID, security type, and a password (if necessary) to continue.
CONNECT TO WI-FI NETWORK: Select the desired network name. Note:Data transmitted over a Wi-Fi network does not count toward your AT&T data plan, and will not be billed. When using the AT&T network, data rates apply.
If connecting to a secure network, select Password then enter the Wi-Fi network password. Select CONNECT. Note: Secure networks will display with a Lock icon.
When Wi-Fi is connected, the Wi-Fi Connected icon will display in the Notification bar.
To remove saved Wi-Fi networks, select the desired network name.
Select Forget.
QUICKLY TURN ON/OFF WI-FI: Swipe down from the top of the screen, then select the Wi-Fi icon.